mirror of
https://git.code.sf.net/p/quake/quake2forge
synced 2024-12-12 13:42:21 +00:00
.gz support should work within pak files
This commit is contained in:
Bill Currie
parent
50df3fffe0
commit
e72220faf0
1 changed files with 86 additions and 64 deletions
150
qcommon/files.c
150
qcommon/files.c
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@ -18,6 +18,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "qcommon.h"
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// define this to dissalow any data but the demo pak file
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@ -191,6 +196,45 @@ int Developer_searchpath (int who)
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}
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QFile *
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FS_OpenRead (const char *path, int offs, int len, int zip, int *size)
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{
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int fd = open (path, O_RDONLY);
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unsigned char id[2];
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unsigned char len_bytes[4];
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if (fd == -1)
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return 0;
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if (offs < 0 || len < 0) {
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// normal file
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offs = 0;
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len = lseek (fd, 0, SEEK_END);
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lseek (fd, 0, SEEK_SET);
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}
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lseek (fd, offs, SEEK_SET);
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if (zip) {
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read (fd, id, 2);
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if (id[0] == 0x1f && id[1] == 0x8b) {
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lseek (fd, offs + len - 4, SEEK_SET);
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read (fd, len_bytes, 4);
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len = ((len_bytes[3] << 24)
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| (len_bytes[2] << 16)
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| (len_bytes[1] << 8)
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| (len_bytes[0]));
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}
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}
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lseek (fd, offs, SEEK_SET);
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*size = len;
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#ifdef WIN32
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setmode (fd, O_BINARY);
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#endif
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if (zip)
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return Qdopen (fd, "rbz");
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else
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return Qdopen (fd, "rb");
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}
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/*
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===========
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FS_FOpenFile
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@ -202,14 +246,24 @@ a seperate file.
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===========
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*/
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int file_from_pak = 0;
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#ifndef NO_ADDONS
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int FS_FOpenFile (char *filename, QFile **file)
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int _FS_FOpenFile (char *filename, QFile **file, char *foundname, int zip)
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{
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searchpath_t *search;
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char netpath[MAX_OSPATH];
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pack_t *pak;
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int i;
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filelink_t *link;
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int size;
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#ifdef HAVE_ZLIB
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char gzfilename[MAX_OSPATH];
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int filenamelen;
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filenamelen = strlen (filename);
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strncpy (gzfilename, filename, sizeof (gzfilename));
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strncat (gzfilename, ".gz", sizeof (gzfilename) - strlen (gzfilename));
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#endif
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file_from_pak = 0;
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@ -219,11 +273,17 @@ int FS_FOpenFile (char *filename, QFile **file)
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if (!strncmp (filename, link->from, link->fromlength))
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{
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Com_sprintf (netpath, sizeof(netpath), "%s%s",link->to, filename+link->fromlength);
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*file = Qopen (netpath, "rbz");
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*file = FS_OpenRead (netpath, -1, -1, zip, &size);
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#ifdef HAVE_ZLIB
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if (!*file) {
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Com_sprintf (netpath, sizeof(netpath), "%s%s.gz",link->to, filename+link->fromlength);
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*file = FS_OpenRead (netpath, -1, -1, zip, &size);
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}
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#endif
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if (*file)
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{
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Com_DPrintf ("link file: %s\n",netpath);
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return FS_filelength (*file);
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return size;
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}
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return -1;
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}
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@ -240,16 +300,22 @@ int FS_FOpenFile (char *filename, QFile **file)
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// look through all the pak file elements
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pak = search->pack;
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for (i=0 ; i<pak->numfiles ; i++)
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if (!Q_strcasecmp (pak->files[i].name, filename))
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if (!Q_strcasecmp (pak->files[i].name, filename)
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#ifdef HAVE_ZLIB
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|| !Q_strcasecmp (pak->files[i].name, gzfilename)
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#endif
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)
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{ // found it!
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file_from_pak = 1;
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Com_DPrintf ("PackFile: %s : %s\n",pak->filename, filename);
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// open a new file on the pakfile
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*file = Qopen (pak->filename, "rb");
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strncpy (foundname, pak->files[i].name, MAX_OSPATH);
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*file = FS_OpenRead (pak->files[i].name,
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pak->files[i].filepos,
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pak->files[i].filelen, zip, &size);
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if (!*file)
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Com_Error (ERR_FATAL, "Couldn't reopen %s", pak->filename);
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Qseek (*file, pak->files[i].filepos, SEEK_SET);
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return pak->files[i].filelen;
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return size;
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}
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}
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else
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@ -258,13 +324,19 @@ int FS_FOpenFile (char *filename, QFile **file)
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Com_sprintf (netpath, sizeof(netpath), "%s/%s",search->filename, filename);
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*file = Qopen (netpath, "rbz");
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*file = FS_OpenRead (netpath, -1, -1, zip, &size);
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#ifdef HAVE_ZLIB
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if (!*file) {
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Com_sprintf (netpath, sizeof(netpath), "%s/%s.gz",search->filename, filename);
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*file = FS_OpenRead (netpath, -1, -1, zip, &size);
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}
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#endif
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if (!*file)
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continue;
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Com_DPrintf ("FindFile: %s\n",netpath);
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return FS_filelength (*file);
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return size;
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}
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}
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@ -275,64 +347,14 @@ int FS_FOpenFile (char *filename, QFile **file)
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return -1;
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}
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#else
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// this is just for demos to prevent add on hacking
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int FS_FOpenFile (char *filename, QFile **file)
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int
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FS_FOpenFile (char *filename, QFile **gzfile)
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{
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searchpath_t *search;
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char netpath[MAX_OSPATH];
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pack_t *pak;
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int i;
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char foundname[MAX_OSPATH];
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file_from_pak = 0;
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// get config from directory, everything else from pak
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if (!strcmp(filename, "config.cfg") || !strncmp(filename, "players/", 8))
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{
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Com_sprintf (netpath, sizeof(netpath), "%s/%s",FS_Gamedir(), filename);
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*file = Qopen (netpath, "rbz");
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if (!*file)
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return -1;
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Com_DPrintf ("FindFile: %s\n",netpath);
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return FS_filelength (*file);
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}
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for (search = fs_searchpaths ; search ; search = search->next)
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if (search->pack)
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break;
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if (!search)
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{
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*file = NULL;
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return -1;
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}
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pak = search->pack;
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for (i=0 ; i<pak->numfiles ; i++)
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if (!Q_strcasecmp (pak->files[i].name, filename))
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{ // found it!
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file_from_pak = 1;
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Com_DPrintf ("PackFile: %s : %s\n",pak->filename, filename);
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// open a new file on the pakfile
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*file = Qopen (pak->filename, "rb");
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if (!*file)
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Com_Error (ERR_FATAL, "Couldn't reopen %s", pak->filename);
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Qseek (*file, pak->files[i].filepos, SEEK_SET);
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return pak->files[i].filelen;
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}
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Com_DPrintf ("FindFile: can't find %s\n", filename);
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*file = NULL;
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return -1;
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return _FS_FOpenFile (filename, gzfile, foundname, 1);
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}
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#endif
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/*
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=================
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